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What is the primary function of an aircraft’s hydraulic system?
A) To provide power for the aircraft’s electrical systems
✔✔B) To operate flight controls, landing gear, and brakes
C) To manage fuel flow during engine operation
D) To regulate cabin pressure
What is the purpose of an aircraft’s ram air turbine (RAT)?
A) To provide cooling for avionics
B) To assist with autopilot functions
✔✔C) To generate emergency power in case of system failure
D) To regulate hydraulic pressure during taxi
Which component controls the fuel-air mixture in a piston engine?
A) The alternator
✔✔B) The carburetor or fuel injection system
C) The magneto
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,D) The starter motor
What does an aircraft’s airspeed indicator measure?
✔✔A) The speed of the aircraft relative to surrounding air
B) The ground speed of the aircraft
C) The wind speed at cruise altitude
D) The rate of climb or descent
What is the purpose of the pitot-static system?
A) To measure fuel flow
✔✔B) To provide data for airspeed, altitude, and vertical speed indicators
C) To control engine power output
D) To regulate hydraulic pressure
How is engine thrust reversed on most modern jet aircraft?
A) By shutting down the engines and applying wheel brakes
✔✔B) By using thrust reversers to redirect exhaust forward
C) By reducing engine RPM to idle
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,D) By deploying air brakes and flaps
What does a green arc on an airspeed indicator represent?
✔✔A) The normal operating range of the aircraft
B) The speed range where flaps should be deployed
C) The maximum operating speed
D) The speed range for emergency maneuvers
What is the purpose of an aircraft’s Auxiliary Power Unit (APU)?
A) To assist in controlling flight surfaces
B) To improve fuel efficiency during cruise
✔✔C) To provide electrical and pneumatic power when engines are off
D) To monitor engine parameters in-flight
What is the function of an aircraft’s static wicks?
✔✔A) To dissipate static electricity and prevent radio interference
B) To measure wind speed and direction
C) To provide backup power in case of an electrical failure
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, D) To indicate control surface deflection
Why is bleed air used in jet aircraft?
✔✔A) To supply air conditioning, pressurization, and anti-icing systems
B) To increase engine thrust during takeoff
C) To provide additional cooling to avionics
D) To assist with in-flight refueling
What is the purpose of an aircraft’s leading-edge slats?
A) To increase fuel efficiency
✔✔B) To improve lift at low speeds
C) To reduce engine noise
D) To provide additional braking power
What happens if the aircraft’s center of gravity is too far forward?
A) The aircraft will become uncontrollable in turbulence
✔✔B) The nose will pitch down, making it harder to rotate for takeoff
C) The aircraft will experience excessive tail vibration
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